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如何做简易传声机
更新时间: 2021-02-28 01:26:04  

1、首先,找两个孔的饮料瓶,洗干净。

2、用剪刀截成两节,一头长,一头短。短的就不用了,或者可以留下装点骨头碎。

3、用剪刀把底部钻一个小孔。

4、找一条你认为合适长度的绳子,从孔里穿过来,一头绑一个比孔大的东西。

5、另一边也如法炮制。一个超级简单的传声筒就做好了。

关键词: 如何 简易

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